This scripts strips all comments in the input JSON file, modifies the parameters according to commnad line arguments, and write the content to a new JSON file.

Signed-off-by: pi-cheng.chen pi-cheng.chen@linaro.org --- doc/tune_json.py | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100755 doc/tune_json.py

diff --git a/doc/tune_json.py b/doc/tune_json.py new file mode 100755 index 0000000..8b633f3 --- /dev/null +++ b/doc/tune_json.py @@ -0,0 +1,130 @@ +#!/usr/bin/env python + +import argparse +import collections +import json +import os +import re +import sys +import tempfile + + +def find_dict_by_key(doc, key): + if key in doc and type(doc[key]) is collections.OrderedDict: + return doc[key] + + for k in doc: + if type(doc[k]) is collections.OrderedDict: + return find_dict_by_key(doc[k], key) + + +def dict_find_and_replace_value(dic, key, val): + for k in dic: + if type(dic[k]) is collections.OrderedDict: + dict_find_and_replace_value(dic[k], key, val) + if k == key: + dic[k] = val + + +def dict_of_loading(dic): + if not 'run' in dic: + return False, None + + for k in dic: + if 'timer' in k and 'period' in dic[k]: + return True, k + else: + return False, None + + +def calculate_and_update_loading(dic, loading): + of_loading, timer_id = dict_of_loading(dic) + + if of_loading: + period = dic[timer_id]['period'] + run = period * loading / 100 + dic['run'] = run + + for k in dic: + if type(dic[k]) is collections.OrderedDict: + calculate_and_update_loading(dic[k], loading) + + +# strip comments in json file and load the file as a dict +def load_json_file(filename): + try: + f = open(filename, 'r') + except: + print 'ERROR: Unable to open %s' %filename + sys.exit(2) + + comment_re = re.compile( + '(^)?[^\S\n]*/(?:*(.*?)*/[^\S\n]*|/[^\n]*)($)?', + re.DOTALL | re.MULTILINE) + + content = ''.join(f.readlines()) + f.close() + + match = comment_re.search(content) + while match: + content = content[:match.start()] + content[match.end():] + match = comment_re.search(content) + + return json.JSONDecoder(object_pairs_hook=collections.OrderedDict).decode(content) + + +def dump_json_file(doc, outfile): + tmp = tempfile.NamedTemporaryFile(delete=False) + json.dump(doc, tmp, indent=4, sort_keys=False) + tmp.close() + + os.rename(tmp.name, args.outfile) + + +if __name__ == '__main__': + parser = argparse.ArgumentParser() + + parser.add_argument('-f', '--file', dest='infile', default='', help='input json filename') + parser.add_argument('-o', '--out', dest='outfile', default='workload.json', help='output json filename'); + parser.add_argument('--instance', default=0, type=int, help='number of thread instance') + parser.add_argument('--period', default=0, type=int, help='period of each thread/phase (ms)') + parser.add_argument('--run', default=0, type=int, help='run time of each thread/phase (ms)') + parser.add_argument('--sleep', default=0, type=int, help='sleep time of each thread/phase (ms)') + parser.add_argument('--loop', default=0,type=int, help='loop count of each thread/phase (-1 as infinite loop)') + parser.add_argument('--loading', default=0, type=int, help='loading of each thread (%%)') + parser.add_argument('--key', type=str, help='the key id of thread/phase in which the parameters will be changed') + + args = parser.parse_args() + + if not os.path.isfile(args.infile): + print 'ERROR: input file %s does not exist\n' %args.infile + parser.print_help() + sys.exit(2) + + doc = target = load_json_file(args.infile) + + if args.key: + target = find_dict_by_key(doc, args.key) + if not target: + print 'ERROR: key id %s is not found' %args.key + sys.exit(2) + + if args.instance > 0: + dict_find_and_replace_value(target, 'instance', args.instance) + + if args.period > 0: + dict_find_and_replace_value(target, 'period', args.period * 1000) + + if args.run > 0: + dict_find_and_replace_value(target, 'run', args.run * 1000) + + if args.sleep > 0: + dict_find_and_replace_value(target, 'sleep', args.sleep * 1000) + + if args.loop > 0 or args.loop == -1: + dict_find_and_replace_value(target, 'loop', args.loop) + + if args.loading > 0: + calculate_and_update_loading(target, args.loading); + + dump_json_file(doc, args.outfile)